Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807897 | Hydraulic piston and process for its surface treatment | Alfred Birkenbach, Rolf Weiler, Uwe Zeibig, Martina Wagner | 2004-10-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807897 | Hydraulic piston and process for its surface treatment | Alfred Birkenbach, Rolf Weiler, Uwe Zeibig, Martina Wagner | 2004-10-26 |